import puppeteer from 'puppeteer';
const b = await puppeteer.launch({ args:['--no-sandbox','--disable-setuid-sandbox','--use-gl=angle','--enable-unsafe-swiftshader','--ignore-gpu-blocklist'] });
const p = await b.newPage();
await p.setViewport({width:1100,height:1300});
await p.goto('http://10.200.201.3:4175/_lab/neu-card.html',{waitUntil:'load',timeout:60000});
await new Promise(r=>setTimeout(r,1000));
// принудительно рендерим два кадра с разным временем и берём toDataURL
const r = await p.evaluate(()=>{
  const m=document.querySelector('[data-shader-demo] .card-shader').paperShaderMount;
  const cv=m.canvasElement;
  m.render(0); const a=cv.toDataURL('image/png');
  m.render(8000); const c=cv.toDataURL('image/png');
  return { lenA:a.length, lenC:c.length, same: a===c, headA:a.slice(0,40) };
});
console.log(JSON.stringify(r,null,1));
await b.close();